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Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage29/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorTypicalApplicationGeneralDescriptionTheSE78XXseriesarethreeterminalpositivevoltageregulatorsdesignedforawidevarietyofapplicationsincludinglocal,on-cardregulation.
TheSE78XXiscompletewithinternalcurrentlimiting,thermalshutdownprotection,andsafe-areacompensationwhichmakethemvirtuallyimmunefromoutputoverload.
Ifadequateheatsinkingisprovided,theseregulatorscandeliveroutputcurrentsupto1A.
TheSE78XXareavailableinTO220andTO252packages.
FeaturesOutputCurrentupto1AFixedOutputVoltagesof5V,9Vand12VOutputVoltageAccuracyof±4%overtheFullTemperatureRangeInternalShortCircuitCurrentLimitingInternalThermalOverloadProtectionOutputTransistorSafe-areaProtectionLowLoadRegulationStablePerformanceinHighTemperatureApplicationsIntelligentAmmeterPowerManagementforComputerMotherBoardLCDMonitorandLCDTVPostRegulatorsforSwitchingSuppliesRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage39/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorPinConfigurationTO252TO2201.
IN2.
GND3.
OUT1.
IN2.
GND3.
OUTPinDescriptionNO.
PinNamePinFunctionDescription1INVoltageInput2GNDGround3OUTVoltageOutputFunctionalBlockDiagramRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage49/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorOrderingInformationPartNumberMarkingInformationPackageRemarksSE78QXX-LFSE78XXYYWW-LFTO220XXmeansOutputVoltageYYWWmeansProductionbatchLFmeansLeadFreeSE78JXX-LFSE78XXYYWW-LFTO252SE78QXX-HFSE78XXYYWW-HFTO220XXmeansOutputVoltageYYWWmeansProductionbatchHFmeansHalogenFreeSE78JXX-HFSE78XXYYWW-HFTO252AbsoluteMaximumRatingsSymbolParameterMaximumUnitsVINInputVoltage36VTLEADLeadTemperature(Soldering,10sec)260℃PDPowerDissipationInternalLimitedWTJOperatingJunctionTemperature150℃TSTGStorageTemperatureRange-65~+150℃θJCThermalResistance-JunctiontoCaseTO2205℃/WTO25210θJAThermalResistance-JunctiontoAmbientTO22045℃/WTO25255Note:Absolutemaximumratingsarethosevaluesbeyondwhichdamagetothedevicemayoccur.
Functionaloperationundertheseconditionsisnotimplied.
Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage59/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorElectricalCharacteristicsSE7805ElectricalCharacteristics(Vcc=10V;Iout=1A;Tj=25℃unlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitOutputVoltageVOUTTj=25°C4.
955.
1VIOUT=5mAto1A,VIN=7.
5Vto20V,PD≤15W4.
85.
2LineRegulationVRLINEVIN=7.
5Vto20V,IOUT=500mA,TJ=25°C2550mVLoadRegulationVRLOADVIN=10V,IOUT=5mAto1A,TJ=25°C2050QuiescentCurrentIqVIN=10V,IOUT=03.
26mAQuiescentCurrentChangeIqVIN=8Vto25V,IOUT=500mA,TJ=25°C0.
30.
8mAIOUT=5mAto1A,TJ=25°C0.
080.
5mARippleRejectionPSRRVIN=8Vto18V,f=120Hz,IOUT=500mA70dBDropoutVoltageVDROPVOUT=1%,IOUT=1A,TJ=25°C2VOutputNoiseVoltageNOUTf=10Hzto100kHz,TA=25°C10uV/VoOutputResistanceROUTf=1KHz10mShortCircuitCurrentISCVIN=35V,TA=25°C0.
05APeakOutputCurrentIPKVIN=10V,TJ=25°C2.
2ATemperatureCoefficientofOutputVoltageVOUT/T0.
4mV/℃(VOUT/VOUT)/T80ppm/℃Note1:Pulsetestingtechniquesareusedtomaintainthejunctiontemperatureasclosetotheambienttemperatureaspossible,andthermaleffectsmustbetakenintoaccountseparately.
Note2:ThisspecificationappliesonlyforDCpowerdissipationpermittedbyabsolutemaximumratings.
Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage69/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorElectricalCharacteristics(Continue)SE7809ElectricalCharacteristics(Vcc=15V;Iout=1A;Tj=25℃unlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitOutputVoltageVOUTTj=25°C8.
8299.
18VIOUT=5mAto1A,VIN=11.
5Vto23V,PD≤15W8.
659.
35LineRegulationVRLINEVIN=11.
5Vto23V,IOUT=500mA,TJ=25°C2590mVLoadRegulationVRLOADVIN=14V,IOUT=5mAto1A,TJ=25°C25100QuiescentCurrentIqVIN=15V,IOUT=03.
26mAQuiescentCurrentChangeIqVIN=11.
5Vto23V,IOUT=500mA,TJ=25°C0.
30.
8mAIOUT=5mAto1A,TJ=25°C0.
080.
5mARippleRejectionPSRRVIN=11.
5Vto21.
5V,f=120Hz,IOUT=500mA61dBDropoutVoltageVDROPVOUT=1%,IOUT=1A,TJ=25°C2VOutputNoiseVoltageNOUTf=10Hzto100kHz,TA=25°C10uV/VoOutputResistanceROUTf=1KHz10mShortCircuitCurrentISCVIN=35V,TA=25°C0.
2APeakOutputCurrentIPKVIN=15V,TJ=25°C2.
2ATemperatureCoefficientofOutputVoltageVOUT/T0.
72mV/℃(VOUT/VOUT)/T80ppm/℃Note1:Pulsetestingtechniquesareusedtomaintainthejunctiontemperatureasclosetotheambienttemperatureaspossible,andthermaleffectsmustbetakenintoaccountseparately.
Note2:ThisspecificationappliesonlyforDCpowerdissipationpermittedbyabsolutemaximumratings.
Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage79/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorElectricalCharacteristics(Continue)SE7812ElectricalCharacteristics(Vcc=19V;Iout=1A;Tj=25℃unlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitOutputVoltageVOUTTj=25°C11.
751212.
25VIOUT=5mAto1A,VIN=14.
8Vto27V,PD≤15W11.
512.
5LineRegulationVRLINEVIN=14.
8Vto27V,IOUT=500mA,TJ=25°C25120mVLoadRegulationVRLOADVIN=19V,IOUT=5mAto1A,TJ=25°C40120QuiescentCurrentIqVIN=19V,IOUT=03.
46mAQuiescentCurrentChangeIqVIN=14.
8Vto30V,IOUT=500mA,TJ=25°C0.
30.
8mAIOUT=5mAto1A,TJ=25°C0.
080.
5mARippleRejectionPSRRVIN=15Vto25V,f=120Hz,IOUT=500mA60dBDropoutVoltageVDROPVOUT=1%,IOUT=1A,TJ=25°C2VOutputNoiseVoltageNOUTf=10Hzto100kHz,TA=25°C10uV/VoOutputResistanceROUTf=1KHz11mShortCircuitCurrentISCVIN=35V,TA=25°C0.
2APeakOutputCurrentIPKVIN=18V,TJ=25°C2.
2ATemperatureCoefficientofOutputVoltageVOUT/T0.
96mV/℃(VOUT/VOUT)/T80ppm/℃Note1:Pulsetestingtechniquesareusedtomaintainthejunctiontemperatureasclosetotheambienttemperatureaspossible,andthermaleffectsmustbetakenintoaccountseparately.
Note2:ThisspecificationappliesonlyforDCpowerdissipationpermittedbyabsolutemaximumratingsRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage89/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorTypicalPerformanceCharacteristicsPeakOutputCurrentvsInput/OutputDifferentialVoltageOutputVoltagevsJunctionTemperatureOutputVoltagevsOutputCurrentOutputVoltagevsInputVoltageQuiescentCurrentvsJunctionTemperatureRippleRejectionvsFrequencyRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage99/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorTypicalPerformanceCharacteristics(Continue)DropoutVoltagevsJunctionTemperaturePowerDissipationvsJunctionTemperatureLineTransient(Conditions:IOUT=500mA,COUT=0.
1μF)LoadTransient(Conditions:CIN=0.
33μF,COUT=0.
1μF)Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage109/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorOutlineDrawingForSE78XX(1)TO252Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage119/4/2012SE78XX1A3-TerminalPositiveVoltageRegulator(2)TO220Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage129/4/2012SE78XX1A3-TerminalPositiveVoltageRegulator联系方式:北京思旺电子技术有限公司–中国总部地址:中国北京市海淀区信息路22号上地科技综合楼B座二层邮编:100085电话:010-82895700/1/5传真:010-82895706SeawardElectronicsCorporation–台湾办事处2F,#181,Sec.
3,MinquanEastRd,Taipei,TaiwanR.
O.
C电话:886-2-2712-0307传真:886-2-2712-0191SeawardElectronicsIncorporated–北美办事处1512CentrePointeDr.
Milpitas,CA95035,USA电话:1-408-821-6600
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage29/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorTypicalApplicationGeneralDescriptionTheSE78XXseriesarethreeterminalpositivevoltageregulatorsdesignedforawidevarietyofapplicationsincludinglocal,on-cardregulation.
TheSE78XXiscompletewithinternalcurrentlimiting,thermalshutdownprotection,andsafe-areacompensationwhichmakethemvirtuallyimmunefromoutputoverload.
Ifadequateheatsinkingisprovided,theseregulatorscandeliveroutputcurrentsupto1A.
TheSE78XXareavailableinTO220andTO252packages.
FeaturesOutputCurrentupto1AFixedOutputVoltagesof5V,9Vand12VOutputVoltageAccuracyof±4%overtheFullTemperatureRangeInternalShortCircuitCurrentLimitingInternalThermalOverloadProtectionOutputTransistorSafe-areaProtectionLowLoadRegulationStablePerformanceinHighTemperatureApplicationsIntelligentAmmeterPowerManagementforComputerMotherBoardLCDMonitorandLCDTVPostRegulatorsforSwitchingSuppliesRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage39/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorPinConfigurationTO252TO2201.
IN2.
GND3.
OUT1.
IN2.
GND3.
OUTPinDescriptionNO.
PinNamePinFunctionDescription1INVoltageInput2GNDGround3OUTVoltageOutputFunctionalBlockDiagramRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage49/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorOrderingInformationPartNumberMarkingInformationPackageRemarksSE78QXX-LFSE78XXYYWW-LFTO220XXmeansOutputVoltageYYWWmeansProductionbatchLFmeansLeadFreeSE78JXX-LFSE78XXYYWW-LFTO252SE78QXX-HFSE78XXYYWW-HFTO220XXmeansOutputVoltageYYWWmeansProductionbatchHFmeansHalogenFreeSE78JXX-HFSE78XXYYWW-HFTO252AbsoluteMaximumRatingsSymbolParameterMaximumUnitsVINInputVoltage36VTLEADLeadTemperature(Soldering,10sec)260℃PDPowerDissipationInternalLimitedWTJOperatingJunctionTemperature150℃TSTGStorageTemperatureRange-65~+150℃θJCThermalResistance-JunctiontoCaseTO2205℃/WTO25210θJAThermalResistance-JunctiontoAmbientTO22045℃/WTO25255Note:Absolutemaximumratingsarethosevaluesbeyondwhichdamagetothedevicemayoccur.
Functionaloperationundertheseconditionsisnotimplied.
Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage59/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorElectricalCharacteristicsSE7805ElectricalCharacteristics(Vcc=10V;Iout=1A;Tj=25℃unlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitOutputVoltageVOUTTj=25°C4.
955.
1VIOUT=5mAto1A,VIN=7.
5Vto20V,PD≤15W4.
85.
2LineRegulationVRLINEVIN=7.
5Vto20V,IOUT=500mA,TJ=25°C2550mVLoadRegulationVRLOADVIN=10V,IOUT=5mAto1A,TJ=25°C2050QuiescentCurrentIqVIN=10V,IOUT=03.
26mAQuiescentCurrentChangeIqVIN=8Vto25V,IOUT=500mA,TJ=25°C0.
30.
8mAIOUT=5mAto1A,TJ=25°C0.
080.
5mARippleRejectionPSRRVIN=8Vto18V,f=120Hz,IOUT=500mA70dBDropoutVoltageVDROPVOUT=1%,IOUT=1A,TJ=25°C2VOutputNoiseVoltageNOUTf=10Hzto100kHz,TA=25°C10uV/VoOutputResistanceROUTf=1KHz10mShortCircuitCurrentISCVIN=35V,TA=25°C0.
05APeakOutputCurrentIPKVIN=10V,TJ=25°C2.
2ATemperatureCoefficientofOutputVoltageVOUT/T0.
4mV/℃(VOUT/VOUT)/T80ppm/℃Note1:Pulsetestingtechniquesareusedtomaintainthejunctiontemperatureasclosetotheambienttemperatureaspossible,andthermaleffectsmustbetakenintoaccountseparately.
Note2:ThisspecificationappliesonlyforDCpowerdissipationpermittedbyabsolutemaximumratings.
Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage69/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorElectricalCharacteristics(Continue)SE7809ElectricalCharacteristics(Vcc=15V;Iout=1A;Tj=25℃unlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitOutputVoltageVOUTTj=25°C8.
8299.
18VIOUT=5mAto1A,VIN=11.
5Vto23V,PD≤15W8.
659.
35LineRegulationVRLINEVIN=11.
5Vto23V,IOUT=500mA,TJ=25°C2590mVLoadRegulationVRLOADVIN=14V,IOUT=5mAto1A,TJ=25°C25100QuiescentCurrentIqVIN=15V,IOUT=03.
26mAQuiescentCurrentChangeIqVIN=11.
5Vto23V,IOUT=500mA,TJ=25°C0.
30.
8mAIOUT=5mAto1A,TJ=25°C0.
080.
5mARippleRejectionPSRRVIN=11.
5Vto21.
5V,f=120Hz,IOUT=500mA61dBDropoutVoltageVDROPVOUT=1%,IOUT=1A,TJ=25°C2VOutputNoiseVoltageNOUTf=10Hzto100kHz,TA=25°C10uV/VoOutputResistanceROUTf=1KHz10mShortCircuitCurrentISCVIN=35V,TA=25°C0.
2APeakOutputCurrentIPKVIN=15V,TJ=25°C2.
2ATemperatureCoefficientofOutputVoltageVOUT/T0.
72mV/℃(VOUT/VOUT)/T80ppm/℃Note1:Pulsetestingtechniquesareusedtomaintainthejunctiontemperatureasclosetotheambienttemperatureaspossible,andthermaleffectsmustbetakenintoaccountseparately.
Note2:ThisspecificationappliesonlyforDCpowerdissipationpermittedbyabsolutemaximumratings.
Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage79/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorElectricalCharacteristics(Continue)SE7812ElectricalCharacteristics(Vcc=19V;Iout=1A;Tj=25℃unlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitOutputVoltageVOUTTj=25°C11.
751212.
25VIOUT=5mAto1A,VIN=14.
8Vto27V,PD≤15W11.
512.
5LineRegulationVRLINEVIN=14.
8Vto27V,IOUT=500mA,TJ=25°C25120mVLoadRegulationVRLOADVIN=19V,IOUT=5mAto1A,TJ=25°C40120QuiescentCurrentIqVIN=19V,IOUT=03.
46mAQuiescentCurrentChangeIqVIN=14.
8Vto30V,IOUT=500mA,TJ=25°C0.
30.
8mAIOUT=5mAto1A,TJ=25°C0.
080.
5mARippleRejectionPSRRVIN=15Vto25V,f=120Hz,IOUT=500mA60dBDropoutVoltageVDROPVOUT=1%,IOUT=1A,TJ=25°C2VOutputNoiseVoltageNOUTf=10Hzto100kHz,TA=25°C10uV/VoOutputResistanceROUTf=1KHz11mShortCircuitCurrentISCVIN=35V,TA=25°C0.
2APeakOutputCurrentIPKVIN=18V,TJ=25°C2.
2ATemperatureCoefficientofOutputVoltageVOUT/T0.
96mV/℃(VOUT/VOUT)/T80ppm/℃Note1:Pulsetestingtechniquesareusedtomaintainthejunctiontemperatureasclosetotheambienttemperatureaspossible,andthermaleffectsmustbetakenintoaccountseparately.
Note2:ThisspecificationappliesonlyforDCpowerdissipationpermittedbyabsolutemaximumratingsRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage89/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorTypicalPerformanceCharacteristicsPeakOutputCurrentvsInput/OutputDifferentialVoltageOutputVoltagevsJunctionTemperatureOutputVoltagevsOutputCurrentOutputVoltagevsInputVoltageQuiescentCurrentvsJunctionTemperatureRippleRejectionvsFrequencyRev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage99/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorTypicalPerformanceCharacteristics(Continue)DropoutVoltagevsJunctionTemperaturePowerDissipationvsJunctionTemperatureLineTransient(Conditions:IOUT=500mA,COUT=0.
1μF)LoadTransient(Conditions:CIN=0.
33μF,COUT=0.
1μF)Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage109/4/2012SE78XX1A3-TerminalPositiveVoltageRegulatorOutlineDrawingForSE78XX(1)TO252Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage119/4/2012SE78XX1A3-TerminalPositiveVoltageRegulator(2)TO220Rev1.
0Preliminaryandallcontentsaresubjecttochangewithoutpriornotice.
SeawardElectronics,Inc.
,www.
seawardinc.
comPage129/4/2012SE78XX1A3-TerminalPositiveVoltageRegulator联系方式:北京思旺电子技术有限公司–中国总部地址:中国北京市海淀区信息路22号上地科技综合楼B座二层邮编:100085电话:010-82895700/1/5传真:010-82895706SeawardElectronicsCorporation–台湾办事处2F,#181,Sec.
3,MinquanEastRd,Taipei,TaiwanR.
O.
C电话:886-2-2712-0307传真:886-2-2712-0191SeawardElectronicsIncorporated–北美办事处1512CentrePointeDr.
Milpitas,CA95035,USA电话:1-408-821-6600
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